/* Réinitialisation et Bases */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    color: #333333;
    line-height: 1.6;
    background-color: #fcfcfc;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* En-tête */
.main-header {
    background-color: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo span {
    font-weight: 300;
    color: #666666;
}

.main-nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

.main-nav ul li {
    margin-left: 20px;
}

.main-nav ul li a {
    text-decoration: none;
    color: #333333;
    font-weight: 500;
    transition: color 0.3s;
}

.main-nav ul li a:hover {
    color: #8a9a86; /* Vert de gris architectural */
}

/* Boutons */
.btn-contact {
    border: 1px solid #333333;
    padding: 8px 16px;
    border-radius: 4px;
}

.btn-contact:hover {
    background-color: #333333;
    color: #ffffff !important;
}

/* Section Hero */
/* Section Hero avec votre propre image locale */
.hero-section {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('background.jpg') no-repeat center center/cover;
    height: 70vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #ffffff;
    padding: 0 20px;
}


.hero-content h2 {
    font-size: 36px;
    max-width: 800px;
    margin-bottom: 15px;
    font-weight: 400;
}

.hero-content p {
    font-size: 20px;
    margin-bottom: 30px;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background-color: #8a9a86;
    color: #ffffff;
    padding: 15px 30px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: background 0.3s;
}

.cta-button:hover {
    background-color: #6f7f6b;
}

/* Section Valeurs */
.values-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.values-section h3 {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.grid {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.card {
    flex: 1;
    min-width: 250px;
    padding: 30px;
    background-color: #f9f9f9;
    border-top: 4px solid #8a9a86;
    border-radius: 4px;
}

.card h4 {
    margin-bottom: 15px;
    font-size: 20px;
}

/* Pied de page */
.main-footer {
    background-color: #222222;
    color: #ffffff;
    padding: 60px 0 20px 0;
    text-align: center;
}

.main-footer h3 {
    font-size: 24px;
    margin-bottom: 10px;
}

.phone-link {
    display: inline-block;
    font-size: 32px;
    color: #8a9a86;
    text-decoration: none;
    margin: 20px 0;
    font-weight: bold;
}

.copyright {
    margin-top: 40px;
    font-size: 12px;
    color: #777777;
}

/* Adaptabilité Mobile */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        gap: 15px;
    }
    .hero-content h2 {
        font-size: 26px;
    }
    .hero-content p {
        font-size: 16px;
    }
    .grid {
        flex-direction: column;
    }
}